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Andy CA6JAU 2017-02-01 01:33:31 -03:00
commit 587fe63a47
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BitRB.h Normal file
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/*
Serial fifo control - Copyright (C) KI6ZUM 2015
Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#if !defined(BITRB_H)
#define BITRB_H
#if defined(STM32F10X_MD)
#include "stm32f10x.h"
#include <cstddef>
#else
#include <Arduino.h>
#endif
class CBitRB {
public:
CBitRB(uint16_t length);
uint16_t getSpace() const;
uint16_t getData() const;
bool put(uint8_t bit);
bool get(uint8_t& bit);
bool hasOverflowed();
private:
uint16_t m_length;
volatile uint8_t* m_bits;
volatile uint16_t m_head;
volatile uint16_t m_tail;
volatile bool m_full;
bool m_overflow;
};
#endif